
Dow Jones Industrial Average gained 143.08 points, or 1.30 per cent, to close at 11,153.98.
The S&P 500 rose 9.34 points, or 0.81 percent, to end at 1,160.40. Among key S&P sectors, banks gained, while consumer discretionary lagged
The Nasdaq slid 10.82 points, or 0.43 percent, to close at 2,480.76.
Market volatility is likely to remain high as traders continue to react to European headlines and attempt to gauge the commitment of governments and institutions as they work to prevent a Greek default.